polymorphic material

Is there a material that when cured is very tough, like it could be used as
a screwdriver blade, that can be un-cured, reshaped and cured again in a new

shape?
For my application the curing, un-curing processes would need to be fairly
quick (minutes for something the size of a screwdriver blade for example).
The process is not too important to me right now (e.g. application of
electric current, chemicals etc.)

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